An F-16 Fighting Falcon assigned to the 510th Fighter Squadron, takes off from Aviano Air Base, Italy, Jan. 21, 2016, for Nellis Air Force Base, Nev., to participate in exercise Red Flag 16-1. Red Flag is a realistic combat-training exercise involving the air forces of the United States and its allies. (U.S Air Force photo by Airman 1st Class Cory W. Bush/Released)